Home / 233,112.39-321,694.65-131,137.95

Finding the Fourth Proportional to 233,112.39, 321,694.65 and 131,137.95

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Solution

The fourth proportional to 233,112.39, 321,694.65 and 131,137.95 is: 180,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,112.39 : 321,694.65 = 131,137.95 : x
  2. Step 2: Convert to fraction form
    233,112.39/321,694.65 = 131,137.95/x
  3. Step 3: Cross multiply
    233,112.39x = 321,694.65 × 131,137.95
  4. Step 4: Simplify right side
    233,112.39x = 42,186,376,926.97
  5. Step 5: Solve for x
    x = 42,186,376,926.97/233,112.39
  6. Step 6: Final answer
    x = 180,970.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.